Multicomponent optical waveguide having index gradient

Details Multicomponent optical waveguide having index gradient Multicomponent optical waveguide having index gradient

1978-03-03

1980-09-16

Levy, Stewart J.

G02B 514

Patent

active

042226317

ABSTRACT:
An optical waveguide for a communication system includes a graded index core formed from at least three glass-forming compounds with a profile having at least two .alpha.-type index profile terms.
The core has a refractive index which is n.sub.c at the center of the core and which varies as a function of the radial distance r from the center of the core subststantially as: ##EQU1## where .alpha..sub.i is defined by: ##EQU2## where N.gtoreq.2,

REFERENCES:
patent: 3904268 (1975-09-01), Keck et al.
patent: 4025156 (1977-05-01), Gloge et al.
patent: 4033667 (1977-07-01), Fleming, Jr.
patent: 4057320 (1977-11-01), Marcatilli
patent: 4111525 (1978-09-01), Kaminow
D. Gloge et al., "Multimode Theory of Graded-Core Fibers," Bell Sys. Tech. Journal, vol. 52, No. 9, Nov. 1973, pp. 1563-1578.
I. P. Kaminow, "Profile Synthesis in Multicomponent Glass Optical Fibers," Applied Optics, vol. 16, No. 1, Jan. 1977, pp. 108-112.

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